/ 8 2*x\ lim |- - + ---| x->4+\ 3 3 /
Limit(-8/3 + (2*x)/3, x, 4)
0
= 5.70426171824127e-33
/ 8 2*x\ lim |- - + ---| x->4-\ 3 3 /
= -5.70426171824127e-33
5.70426171824127e-33